Oval holes: Special 4 x 5mm oval holes, makes coil insertion much faster as compared to standard round holes. When used together with our HD Electric Coil Inserter, it will drastically save your coil insertion time by up to 50%.

Fully Disengageable Pins: For a completely clean & professional punching of any paper size, all 54 pins can be independently pulled & disengaged.

Letter size 4:1 pitch with .248 pitch oval dies; The .248 coil pitch is specifically designed to give you 44 evenly centered holes in an 11" sheet, which provides the most ideal hole to edge-of-sheet margins and easier coil insertion. Hole pattern is 100% compatible with all 4:1 pitch coils.

Common Features:

Extended Single Punching Length (13"): With open ends & continuous punch guide to easily punch documents of any length (up to 26").

High Volume Punch Capacity: Suggested up to 20-sheet* for 20 lbs paper, or 2.6mm (28-sheet equivalent)** for hardboard, in 13" length (53 holes).

Side Margin Control: Provides an evenly centered punch for all document sizes.